Module: SVGPlot::Transform

Included in:
Tag
Defined in:
lib/svgplot/transform.rb

Overview

Provide methods for SVG transformations

Instance Method Summary collapse

Instance Method Details

#matrix(*args) ⇒ Object 



31
32
33
34
35
 
# File 'lib/svgplot/transform.rb', line 31

def matrix(*args)
  fail('matrix takes 6 args') unless args.size == 6
  add_transform(:matrix, args.join(', '))
  self
end

#rotate(angle, cx = nil, cy = nil) ⇒ Object 



15
16
17
18
19
 
# File 'lib/svgplot/transform.rb', line 15

def rotate(angle, cx = nil, cy = nil)
  string = [cx, cy].any?(&:nil?) ? "#{angle}" : "#{angle}, #{cx}, #{cy}"
  add_transform(:rotate, string)
  self
end

#scale(sx, sy = 1) ⇒ Object 



10
11
12
13
 
# File 'lib/svgplot/transform.rb', line 10

def scale(sx, sy = 1)
  add_transform(:scale, "#{sx}, #{sy}")
  self
end

#skew_x(angle) ⇒ Object 



21
22
23
24
 
# File 'lib/svgplot/transform.rb', line 21

def skew_x(angle)
  add_transform(:skewX, "#{angle}")
  self
end

#skew_y(angle) ⇒ Object 



26
27
28
29
 
# File 'lib/svgplot/transform.rb', line 26

def skew_y(angle)
  add_transform(:skewY, "#{angle}")
  self
end

#translate(tx, ty = 0) ⇒ Object 



5
6
7
8
 
# File 'lib/svgplot/transform.rb', line 5

def translate(tx, ty = 0)
  add_transform(:translate, "#{tx}, #{ty}")
  self
end